#3033B3#3033B3

#3033B3 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.4% C 0.196 H 272.8°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#3033B3
RGB	rgb(48, 51, 179)
HSL	hsl(239, 58%, 45%)
HSV	hsv(239, 73%, 70%)
CMYK	cmyk(73.2%, 71.5%, 0%, 29.8%)
CIE-LAB	lab(30.03, 41.77, -67.70)
CIE-LCH	lch(30.03, 79.55, 301.68°)
OKLab	oklab(41.43% 0.0097 -0.1958)
OKLCH	oklch(41.43% 0.196 272.8)
XYZ	xyz(10.5367, 6.2496, 43.2901)
Luminance	0.0625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033B3 #B3B030

analogous

#3075B3 #3033B3 #6F30B3

triadic

#3033B3 #B33033 #33B330

tetradic

#3033B3 #B33075 #B3B030 #30B36F

square

#3033B3 #B33075 #B3B030 #30B36F

split-complementary

#3033B3 #B36F30 #75B330

monochromatic

#161852 #232583 #3033B3 #5053D0 #8082DD

Accessibility & contrast

On white

9.33

#3033B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#3033B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033B3

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033B3	#FFFFFF	#000000	##FFFFFF
##3033B3	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB7

Deuteranopia (green-blind)

#0040B1

Tritanopia (blue-blind)

#00576F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3033b3;
/* rgb */ color: rgb(48, 51, 179);
/* oklch */ color: oklch(41.4% 0.196 272.8);

Tailwind

colors: {
  custom: {
    50: '#7c6ccb',
    500: '#3033b3',
    950: '#000000',
  },
}

SCSS

$custom: #3033b3;
$custom-light: #7c6ccb;
$custom-dark: #000000;

JSON

{
  "hex": "#3033b3",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 179
  },
  "hsl": {
    "h": 238.626,
    "s": 57.709,
    "l": 44.51
  },
  "oklch": {
    "l": 0.41434,
    "c": 0.19607,
    "h": 272.8
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary

#3033B3

secondary

#C6C479

accent

#DD47E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3033B3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →